There are several common types of lightbulbs available on the market. Understanding the energy impact differences of different types of lightbulbs is important, and plays a much larger role in energy efficiency than most realize. Check this out to learn more about lightbulbs and energy usage.

How much energy—whether electric, coal, nuclear, or otherwise—is required for a 100-watt lightbulb to run for a year, 24 hours a day? See the answer in our latest infographic. A collaboration between GOOD and Column Five. Source